diff --git a/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt b/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt
index 60e2093bef..4bd65c7cf4 100644
--- a/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt
+++ b/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt
@@ -1,6 +1,7 @@
 package com.steipete.clawdis.node
 
 import android.content.Context
+import android.os.Build
 import com.steipete.clawdis.node.bridge.BridgeDiscovery
 import com.steipete.clawdis.node.bridge.BridgeEndpoint
 import com.steipete.clawdis.node.bridge.BridgePairingClient
@@ -182,6 +183,8 @@ class NodeRuntime(context: Context) {
                 token = null,
                 platform = "Android",
                 version = "dev",
+                deviceFamily = "Android",
+                modelIdentifier = Build.MODEL,
               ),
           )
         } else {
@@ -204,6 +207,8 @@ class NodeRuntime(context: Context) {
             token = authToken,
             platform = "Android",
             version = "dev",
+            deviceFamily = "Android",
+            modelIdentifier = Build.MODEL,
           ),
       )
     }
diff --git a/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgePairingClient.kt b/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgePairingClient.kt
index a52aa5dbd2..021c918efd 100644
--- a/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgePairingClient.kt
+++ b/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgePairingClient.kt
@@ -24,6 +24,8 @@ class BridgePairingClient {
     val token: String?,
     val platform: String?,
     val version: String?,
+    val deviceFamily: String?,
+    val modelIdentifier: String?,
   )
 
   data class PairResult(val ok: Boolean, val token: String?, val error: String? = null)
@@ -55,6 +57,8 @@ class BridgePairingClient {
             hello.token?.let { put("token", JsonPrimitive(it)) }
             hello.platform?.let { put("platform", JsonPrimitive(it)) }
             hello.version?.let { put("version", JsonPrimitive(it)) }
+            hello.deviceFamily?.let { put("deviceFamily", JsonPrimitive(it)) }
+            hello.modelIdentifier?.let { put("modelIdentifier", JsonPrimitive(it)) }
           },
         )
 
@@ -76,6 +80,8 @@ class BridgePairingClient {
                 hello.displayName?.let { put("displayName", JsonPrimitive(it)) }
                 hello.platform?.let { put("platform", JsonPrimitive(it)) }
                 hello.version?.let { put("version", JsonPrimitive(it)) }
+                hello.deviceFamily?.let { put("deviceFamily", JsonPrimitive(it)) }
+                hello.modelIdentifier?.let { put("modelIdentifier", JsonPrimitive(it)) }
               },
             )
 
diff --git a/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgeSession.kt b/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgeSession.kt
index 9f949f9d87..adb7b85ec9 100644
--- a/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgeSession.kt
+++ b/apps/android/app/src/main/java/com/steipete/clawdis/node/bridge/BridgeSession.kt
@@ -39,6 +39,8 @@ class BridgeSession(
     val token: String?,
     val platform: String?,
     val version: String?,
+    val deviceFamily: String?,
+    val modelIdentifier: String?,
   )
 
   data class InvokeRequest(val id: String, val command: String, val paramsJson: String?)
@@ -191,6 +193,8 @@ class BridgeSession(
             hello.token?.let { put("token", JsonPrimitive(it)) }
             hello.platform?.let { put("platform", JsonPrimitive(it)) }
             hello.version?.let { put("version", JsonPrimitive(it)) }
+            hello.deviceFamily?.let { put("deviceFamily", JsonPrimitive(it)) }
+            hello.modelIdentifier?.let { put("modelIdentifier", JsonPrimitive(it)) }
           },
         )
 
diff --git a/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgePairingClientTest.kt b/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgePairingClientTest.kt
index 9644bb7c91..aae427c882 100644
--- a/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgePairingClientTest.kt
+++ b/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgePairingClientTest.kt
@@ -46,6 +46,8 @@ class BridgePairingClientTest {
             token = "token-123",
             platform = "Android",
             version = "test",
+            deviceFamily = "Android",
+            modelIdentifier = "SM-X000",
           ),
       )
     assertTrue(res.ok)
@@ -91,6 +93,8 @@ class BridgePairingClientTest {
             token = null,
             platform = "Android",
             version = "test",
+            deviceFamily = "Android",
+            modelIdentifier = "SM-X000",
           ),
       )
     assertTrue(res.ok)
@@ -98,4 +102,3 @@ class BridgePairingClientTest {
     server.await()
   }
 }
-
diff --git a/apps/ios/Sources/Bridge/BridgeClient.swift b/apps/ios/Sources/Bridge/BridgeClient.swift
index 8933a33bc8..5b2c6fc9d4 100644
--- a/apps/ios/Sources/Bridge/BridgeClient.swift
+++ b/apps/ios/Sources/Bridge/BridgeClient.swift
@@ -51,7 +51,9 @@ actor BridgeClient {
                     nodeId: hello.nodeId,
                     displayName: hello.displayName,
                     platform: hello.platform,
-                    version: hello.version),
+                    version: hello.version,
+                    deviceFamily: hello.deviceFamily,
+                    modelIdentifier: hello.modelIdentifier),
                 over: connection)
 
             onStatus?("Waiting for approval…")
diff --git a/apps/ios/Sources/Bridge/BridgeConnectionController.swift b/apps/ios/Sources/Bridge/BridgeConnectionController.swift
index 2e6e4d01a4..b0cae15eb7 100644
--- a/apps/ios/Sources/Bridge/BridgeConnectionController.swift
+++ b/apps/ios/Sources/Bridge/BridgeConnectionController.swift
@@ -1,8 +1,10 @@
 import ClawdisKit
+import Darwin
 import Foundation
 import Network
 import Observation
 import SwiftUI
+import UIKit
 
 @MainActor
 @Observable
@@ -131,12 +133,43 @@ final class BridgeConnectionController {
             displayName: displayName,
             token: token,
             platform: self.platformString(),
-            version: self.appVersion())
+            version: self.appVersion(),
+            deviceFamily: self.deviceFamily(),
+            modelIdentifier: self.modelIdentifier())
     }
 
     private func platformString() -> String {
         let v = ProcessInfo.processInfo.operatingSystemVersion
-        return "iOS \(v.majorVersion).\(v.minorVersion).\(v.patchVersion)"
+        let name: String
+        switch UIDevice.current.userInterfaceIdiom {
+        case .pad:
+            name = "iPadOS"
+        case .phone:
+            name = "iOS"
+        default:
+            name = "iOS"
+        }
+        return "\(name) \(v.majorVersion).\(v.minorVersion).\(v.patchVersion)"
+    }
+
+    private func deviceFamily() -> String {
+        switch UIDevice.current.userInterfaceIdiom {
+        case .pad:
+            return "iPad"
+        case .phone:
+            return "iPhone"
+        default:
+            return "iOS"
+        }
+    }
+
+    private func modelIdentifier() -> String {
+        var systemInfo = utsname()
+        uname(&systemInfo)
+        let machine = withUnsafeBytes(of: &systemInfo.machine) { ptr in
+            String(decoding: ptr.prefix { $0 != 0 }, as: UTF8.self)
+        }
+        return machine.isEmpty ? "unknown" : machine
     }
 
     private func appVersion() -> String {
diff --git a/apps/macos/Sources/Clawdis/GatewayChannel.swift b/apps/macos/Sources/Clawdis/GatewayChannel.swift
index 4fe68858db..c2e155a53c 100644
--- a/apps/macos/Sources/Clawdis/GatewayChannel.swift
+++ b/apps/macos/Sources/Clawdis/GatewayChannel.swift
@@ -192,7 +192,7 @@ actor GatewayChannelActor {
         let clientName = InstanceIdentity.displayName
 
         let reqId = UUID().uuidString
-        let client: [String: ProtoAnyCodable] = [
+        var client: [String: ProtoAnyCodable] = [
             "name": ProtoAnyCodable(clientName),
             "version": ProtoAnyCodable(
                 Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "dev"),
@@ -200,6 +200,10 @@ actor GatewayChannelActor {
             "mode": ProtoAnyCodable("app"),
             "instanceId": ProtoAnyCodable(InstanceIdentity.instanceId),
         ]
+        client["deviceFamily"] = ProtoAnyCodable("Mac")
+        if let model = InstanceIdentity.modelIdentifier {
+            client["modelIdentifier"] = ProtoAnyCodable(model)
+        }
         var params: [String: ProtoAnyCodable] = [
             "minProtocol": ProtoAnyCodable(GATEWAY_PROTOCOL_VERSION),
             "maxProtocol": ProtoAnyCodable(GATEWAY_PROTOCOL_VERSION),
diff --git a/apps/macos/Sources/Clawdis/InstanceIdentity.swift b/apps/macos/Sources/Clawdis/InstanceIdentity.swift
index cf35b88fb8..35902ce00d 100644
--- a/apps/macos/Sources/Clawdis/InstanceIdentity.swift
+++ b/apps/macos/Sources/Clawdis/InstanceIdentity.swift
@@ -1,3 +1,4 @@
+import Darwin
 import Foundation
 
 enum InstanceIdentity {
@@ -30,4 +31,15 @@ enum InstanceIdentity {
         }
         return "clawdis-mac"
     }()
+
+    static let modelIdentifier: String? = {
+        var size = 0
+        guard sysctlbyname("hw.model", nil, &size, nil, 0) == 0, size > 1 else { return nil }
+
+        var buffer = [CChar](repeating: 0, count: size)
+        guard sysctlbyname("hw.model", &buffer, &size, nil, 0) == 0 else { return nil }
+
+        let s = String(cString: buffer).trimmingCharacters(in: .whitespacesAndNewlines)
+        return s.isEmpty ? nil : s
+    }()
 }
diff --git a/apps/macos/Sources/Clawdis/InstancesSettings.swift b/apps/macos/Sources/Clawdis/InstancesSettings.swift
index fb656e2252..94e110aa9a 100644
--- a/apps/macos/Sources/Clawdis/InstancesSettings.swift
+++ b/apps/macos/Sources/Clawdis/InstancesSettings.swift
@@ -70,6 +70,11 @@ struct InstancesSettings: View {
                 if let platform = inst.platform, let prettyPlatform = self.prettyPlatform(platform) {
                     self.label(icon: self.platformIcon(platform), text: prettyPlatform)
                 }
+                if let deviceText = self.deviceDescription(inst),
+                   let deviceIcon = self.deviceIcon(inst)
+                {
+                    self.label(icon: deviceIcon, text: deviceText)
+                }
                 self.label(icon: "clock", text: inst.lastInputDescription)
                 if let mode = inst.mode { self.label(icon: "network", text: mode) }
                 if let reason = inst.reason, !reason.isEmpty {
@@ -115,6 +120,29 @@ struct InstancesSettings: View {
         }
     }
 
+    private func deviceIcon(_ inst: InstanceInfo) -> String? {
+        let family = inst.deviceFamily?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        if family.isEmpty { return nil }
+        switch family.lowercased() {
+        case "ipad":
+            return "ipad"
+        case "iphone":
+            return "iphone"
+        case "mac":
+            return "laptopcomputer"
+        default:
+            return "cpu"
+        }
+    }
+
+    private func deviceDescription(_ inst: InstanceInfo) -> String? {
+        let family = inst.deviceFamily?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        let model = inst.modelIdentifier?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        if !family.isEmpty, !model.isEmpty { return "\(family) (\(model))" }
+        if !model.isEmpty { return model }
+        return family.isEmpty ? nil : family
+    }
+
     private func prettyPlatform(_ raw: String) -> String? {
         let (prefix, version) = self.parsePlatform(raw)
         if prefix.isEmpty { return nil }
diff --git a/apps/macos/Sources/Clawdis/InstancesStore.swift b/apps/macos/Sources/Clawdis/InstancesStore.swift
index e48f326fcc..517185504b 100644
--- a/apps/macos/Sources/Clawdis/InstancesStore.swift
+++ b/apps/macos/Sources/Clawdis/InstancesStore.swift
@@ -10,6 +10,8 @@ struct InstanceInfo: Identifiable, Codable {
     let ip: String?
     let version: String?
     let platform: String?
+    let deviceFamily: String?
+    let modelIdentifier: String?
     let lastInputSeconds: Int?
     let mode: String?
     let reason: String?
@@ -284,6 +286,8 @@ final class InstancesStore {
                 ip: entry.ip,
                 version: entry.version,
                 platform: entry.platform,
+                deviceFamily: entry.devicefamily,
+                modelIdentifier: entry.modelidentifier,
                 lastInputSeconds: entry.lastinputseconds,
                 mode: entry.mode,
                 reason: entry.reason,
@@ -308,6 +312,8 @@ extension InstancesStore {
             ip: "10.0.0.12",
             version: "1.2.3",
             platform: "macos 26.2.0",
+            deviceFamily: "Mac",
+            modelIdentifier: "Mac16,6",
             lastInputSeconds: 12,
             mode: "local",
             reason: "preview",
@@ -319,6 +325,8 @@ extension InstancesStore {
             ip: "100.64.0.2",
             version: "1.2.3",
             platform: "linux 6.6.0",
+            deviceFamily: "Linux",
+            modelIdentifier: "x86_64",
             lastInputSeconds: 45,
             mode: "remote",
             reason: "preview",
diff --git a/apps/macos/Sources/Clawdis/PresenceReporter.swift b/apps/macos/Sources/Clawdis/PresenceReporter.swift
index dfe8d5efa9..05f7d3d4ed 100644
--- a/apps/macos/Sources/Clawdis/PresenceReporter.swift
+++ b/apps/macos/Sources/Clawdis/PresenceReporter.swift
@@ -45,6 +45,8 @@ final class PresenceReporter {
             "version": AnyHashable(version),
             "reason": AnyHashable(reason),
         ]
+        params["deviceFamily"] = AnyHashable("Mac")
+        if let model = InstanceIdentity.modelIdentifier { params["modelIdentifier"] = AnyHashable(model) }
         if let lastInput { params["lastInputSeconds"] = AnyHashable(lastInput) }
         do {
             try await ControlChannel.shared.sendSystemEvent(text, params: params)
diff --git a/apps/macos/Sources/ClawdisProtocol/GatewayModels.swift b/apps/macos/Sources/ClawdisProtocol/GatewayModels.swift
index 65e0dc4975..97ffa4cd8f 100644
--- a/apps/macos/Sources/ClawdisProtocol/GatewayModels.swift
+++ b/apps/macos/Sources/ClawdisProtocol/GatewayModels.swift
@@ -168,6 +168,8 @@ public struct PresenceEntry: Codable {
     public let ip: String?
     public let version: String?
     public let platform: String?
+    public let devicefamily: String?
+    public let modelidentifier: String?
     public let mode: String?
     public let lastinputseconds: Int?
     public let reason: String?
@@ -181,6 +183,8 @@ public struct PresenceEntry: Codable {
         ip: String?,
         version: String?,
         platform: String?,
+        devicefamily: String?,
+        modelidentifier: String?,
         mode: String?,
         lastinputseconds: Int?,
         reason: String?,
@@ -193,6 +197,8 @@ public struct PresenceEntry: Codable {
         self.ip = ip
         self.version = version
         self.platform = platform
+        self.devicefamily = devicefamily
+        self.modelidentifier = modelidentifier
         self.mode = mode
         self.lastinputseconds = lastinputseconds
         self.reason = reason
@@ -206,6 +212,8 @@ public struct PresenceEntry: Codable {
         case ip
         case version
         case platform
+        case devicefamily = "deviceFamily"
+        case modelidentifier = "modelIdentifier"
         case mode
         case lastinputseconds = "lastInputSeconds"
         case reason
diff --git a/apps/shared/ClawdisKit/Sources/ClawdisKit/BridgeFrames.swift b/apps/shared/ClawdisKit/Sources/ClawdisKit/BridgeFrames.swift
index 74bf435e3e..666d2df257 100644
--- a/apps/shared/ClawdisKit/Sources/ClawdisKit/BridgeFrames.swift
+++ b/apps/shared/ClawdisKit/Sources/ClawdisKit/BridgeFrames.swift
@@ -63,6 +63,8 @@ public struct BridgeHello: Codable, Sendable {
     public let token: String?
     public let platform: String?
     public let version: String?
+    public let deviceFamily: String?
+    public let modelIdentifier: String?
 
     public init(
         type: String = "hello",
@@ -70,7 +72,9 @@ public struct BridgeHello: Codable, Sendable {
         displayName: String?,
         token: String?,
         platform: String?,
-        version: String?)
+        version: String?,
+        deviceFamily: String? = nil,
+        modelIdentifier: String? = nil)
     {
         self.type = type
         self.nodeId = nodeId
@@ -78,6 +82,8 @@ public struct BridgeHello: Codable, Sendable {
         self.token = token
         self.platform = platform
         self.version = version
+        self.deviceFamily = deviceFamily
+        self.modelIdentifier = modelIdentifier
     }
 }
 
@@ -97,6 +103,8 @@ public struct BridgePairRequest: Codable, Sendable {
     public let displayName: String?
     public let platform: String?
     public let version: String?
+    public let deviceFamily: String?
+    public let modelIdentifier: String?
     public let remoteAddress: String?
 
     public init(
@@ -105,6 +113,8 @@ public struct BridgePairRequest: Codable, Sendable {
         displayName: String?,
         platform: String?,
         version: String?,
+        deviceFamily: String? = nil,
+        modelIdentifier: String? = nil,
         remoteAddress: String? = nil)
     {
         self.type = type
@@ -112,6 +122,8 @@ public struct BridgePairRequest: Codable, Sendable {
         self.displayName = displayName
         self.platform = platform
         self.version = version
+        self.deviceFamily = deviceFamily
+        self.modelIdentifier = modelIdentifier
         self.remoteAddress = remoteAddress
     }
 }
diff --git a/src/gateway/protocol/schema.ts b/src/gateway/protocol/schema.ts
index ffd1c025d5..767c00f920 100644
--- a/src/gateway/protocol/schema.ts
+++ b/src/gateway/protocol/schema.ts
@@ -8,6 +8,8 @@ export const PresenceEntrySchema = Type.Object(
     ip: Type.Optional(NonEmptyString),
     version: Type.Optional(NonEmptyString),
     platform: Type.Optional(NonEmptyString),
+    deviceFamily: Type.Optional(NonEmptyString),
+    modelIdentifier: Type.Optional(NonEmptyString),
     mode: Type.Optional(NonEmptyString),
     lastInputSeconds: Type.Optional(Type.Integer({ minimum: 0 })),
     reason: Type.Optional(NonEmptyString),
@@ -65,6 +67,8 @@ export const ConnectParamsSchema = Type.Object(
         platform: NonEmptyString,
         mode: NonEmptyString,
         instanceId: Type.Optional(NonEmptyString),
+        deviceFamily: Type.Optional(NonEmptyString),
+        modelIdentifier: Type.Optional(NonEmptyString),
       },
       { additionalProperties: false },
     ),
diff --git a/src/gateway/server.test.ts b/src/gateway/server.test.ts
index c3674f7666..8aaa01cc4b 100644
--- a/src/gateway/server.test.ts
+++ b/src/gateway/server.test.ts
@@ -2111,6 +2111,8 @@ describe("gateway server", () => {
         platform: "test",
         mode: "ui",
         instanceId: "abc",
+        deviceFamily: "Mac",
+        modelIdentifier: "Mac16,6",
       },
     });
 
@@ -2133,6 +2135,8 @@ describe("gateway server", () => {
     expect(clientEntry?.host).toBe("fingerprint");
     expect(clientEntry?.version).toBe("9.9.9");
     expect(clientEntry?.mode).toBe("ui");
+    expect(clientEntry?.deviceFamily).toBe("Mac");
+    expect(clientEntry?.modelIdentifier).toBe("Mac16,6");
 
     ws.close();
     await server.close();
diff --git a/src/gateway/server.ts b/src/gateway/server.ts
index 5c1405ba81..e2aa178ae7 100644
--- a/src/gateway/server.ts
+++ b/src/gateway/server.ts
@@ -1300,12 +1300,16 @@ export async function startGatewayServer(
           const ip = node.remoteIp?.trim();
           const version = node.version?.trim() || "unknown";
           const platform = node.platform?.trim() || undefined;
+          const deviceFamily = node.deviceFamily?.trim() || undefined;
+          const modelIdentifier = node.modelIdentifier?.trim() || undefined;
           const text = `Node: ${host}${ip ? ` (${ip})` : ""} · app ${version} · last input 0s ago · mode remote · reason iris-connected`;
           upsertPresence(node.nodeId, {
             host,
             ip,
             version,
             platform,
+            deviceFamily,
+            modelIdentifier,
             mode: "remote",
             reason: "iris-connected",
             lastInputSeconds: 0,
@@ -1342,12 +1346,16 @@ export async function startGatewayServer(
           const ip = node.remoteIp?.trim();
           const version = node.version?.trim() || "unknown";
           const platform = node.platform?.trim() || undefined;
+          const deviceFamily = node.deviceFamily?.trim() || undefined;
+          const modelIdentifier = node.modelIdentifier?.trim() || undefined;
           const text = `Node: ${host}${ip ? ` (${ip})` : ""} · app ${version} · last input 0s ago · mode remote · reason iris-disconnected`;
           upsertPresence(node.nodeId, {
             host,
             ip,
             version,
             platform,
+            deviceFamily,
+            modelIdentifier,
             mode: "remote",
             reason: "iris-disconnected",
             lastInputSeconds: 0,
@@ -1743,6 +1751,8 @@ export async function startGatewayServer(
               ip: isLoopbackAddress(remoteAddr) ? undefined : remoteAddr,
               version: connectParams.client.version,
               platform: connectParams.client.platform,
+              deviceFamily: connectParams.client.deviceFamily,
+              modelIdentifier: connectParams.client.modelIdentifier,
               mode: connectParams.client.mode,
               instanceId: connectParams.client.instanceId,
               reason: "connect",
@@ -2424,6 +2434,14 @@ export async function startGatewayServer(
               typeof params.version === "string" ? params.version : undefined;
             const platform =
               typeof params.platform === "string" ? params.platform : undefined;
+            const deviceFamily =
+              typeof params.deviceFamily === "string"
+                ? params.deviceFamily
+                : undefined;
+            const modelIdentifier =
+              typeof params.modelIdentifier === "string"
+                ? params.modelIdentifier
+                : undefined;
             const lastInputSeconds =
               typeof params.lastInputSeconds === "number" &&
               Number.isFinite(params.lastInputSeconds)
@@ -2444,6 +2462,8 @@ export async function startGatewayServer(
               mode,
               version,
               platform,
+              deviceFamily,
+              modelIdentifier,
               lastInputSeconds,
               reason,
               tags,
diff --git a/src/infra/bridge/server.ts b/src/infra/bridge/server.ts
index 323e1d6e53..bdf16f58ba 100644
--- a/src/infra/bridge/server.ts
+++ b/src/infra/bridge/server.ts
@@ -17,6 +17,8 @@ type BridgeHelloFrame = {
   token?: string;
   platform?: string;
   version?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
 };
 
 type BridgePairRequestFrame = {
@@ -25,6 +27,8 @@ type BridgePairRequestFrame = {
   displayName?: string;
   platform?: string;
   version?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
   remoteAddress?: string;
 };
 
@@ -108,6 +112,8 @@ export type NodeBridgeClientInfo = {
   displayName?: string;
   platform?: string;
   version?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
   remoteIp?: string;
 };
 
@@ -263,6 +269,8 @@ export async function startNodeBridgeServer(
         displayName: verified.node.displayName ?? hello.displayName,
         platform: verified.node.platform ?? hello.platform,
         version: verified.node.version ?? hello.version,
+        deviceFamily: verified.node.deviceFamily ?? hello.deviceFamily,
+        modelIdentifier: verified.node.modelIdentifier ?? hello.modelIdentifier,
         remoteIp: remoteAddress,
       };
       connections.set(nodeId, { socket, nodeInfo, invokeWaiters });
@@ -319,6 +327,8 @@ export async function startNodeBridgeServer(
           displayName: req.displayName,
           platform: req.platform,
           version: req.version,
+          deviceFamily: req.deviceFamily,
+          modelIdentifier: req.modelIdentifier,
           remoteIp: remoteAddress,
         },
         opts.pairingBaseDir,
diff --git a/src/infra/node-pairing.ts b/src/infra/node-pairing.ts
index c7d727f3ca..1fba1ba130 100644
--- a/src/infra/node-pairing.ts
+++ b/src/infra/node-pairing.ts
@@ -9,6 +9,8 @@ export type NodePairingPendingRequest = {
   displayName?: string;
   platform?: string;
   version?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
   remoteIp?: string;
   isRepair?: boolean;
   ts: number;
@@ -20,6 +22,8 @@ export type NodePairingPairedNode = {
   displayName?: string;
   platform?: string;
   version?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
   remoteIp?: string;
   createdAtMs: number;
   approvedAtMs: number;
@@ -172,6 +176,8 @@ export async function requestNodePairing(
       displayName: req.displayName,
       platform: req.platform,
       version: req.version,
+      deviceFamily: req.deviceFamily,
+      modelIdentifier: req.modelIdentifier,
       remoteIp: req.remoteIp,
       isRepair,
       ts: Date.now(),
@@ -199,6 +205,8 @@ export async function approveNodePairing(
       displayName: pending.displayName,
       platform: pending.platform,
       version: pending.version,
+      deviceFamily: pending.deviceFamily,
+      modelIdentifier: pending.modelIdentifier,
       remoteIp: pending.remoteIp,
       createdAtMs: existing?.createdAtMs ?? now,
       approvedAtMs: now,
diff --git a/src/infra/system-presence.ts b/src/infra/system-presence.ts
index eb90417dcd..cb24ad5af3 100644
--- a/src/infra/system-presence.ts
+++ b/src/infra/system-presence.ts
@@ -1,3 +1,4 @@
+import { spawnSync } from "node:child_process";
 import os from "node:os";
 
 export type SystemPresence = {
@@ -5,6 +6,8 @@ export type SystemPresence = {
   ip?: string;
   version?: string;
   platform?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
   lastInputSeconds?: number;
   mode?: string;
   reason?: string;
@@ -47,6 +50,17 @@ function initSelfPresence() {
   const ip = resolvePrimaryIPv4() ?? undefined;
   const version =
     process.env.CLAWDIS_VERSION ?? process.env.npm_package_version ?? "unknown";
+  const modelIdentifier = (() => {
+    const p = os.platform();
+    if (p === "darwin") {
+      const res = spawnSync("sysctl", ["-n", "hw.model"], {
+        encoding: "utf-8",
+      });
+      const out = typeof res.stdout === "string" ? res.stdout.trim() : "";
+      return out.length > 0 ? out : undefined;
+    }
+    return os.arch();
+  })();
   const platform = (() => {
     const p = os.platform();
     const rel = os.release();
@@ -54,12 +68,21 @@ function initSelfPresence() {
     if (p === "win32") return `windows ${rel}`;
     return `${p} ${rel}`;
   })();
+  const deviceFamily = (() => {
+    const p = os.platform();
+    if (p === "darwin") return "Mac";
+    if (p === "win32") return "Windows";
+    if (p === "linux") return "Linux";
+    return p;
+  })();
   const text = `Gateway: ${host}${ip ? ` (${ip})` : ""} · app ${version} · mode gateway · reason self`;
   const selfEntry: SystemPresence = {
     host,
     ip,
     version,
     platform,
+    deviceFamily,
+    modelIdentifier,
     mode: "gateway",
     reason: "self",
     text,
@@ -123,6 +146,8 @@ type SystemPresencePayload = {
   ip?: string;
   version?: string;
   platform?: string;
+  deviceFamily?: string;
+  modelIdentifier?: string;
   lastInputSeconds?: number;
   mode?: string;
   reason?: string;
@@ -147,6 +172,8 @@ export function updateSystemPresence(payload: SystemPresencePayload) {
     ip: payload.ip ?? parsed.ip ?? existing.ip,
     version: payload.version ?? parsed.version ?? existing.version,
     platform: payload.platform ?? existing.platform,
+    deviceFamily: payload.deviceFamily ?? existing.deviceFamily,
+    modelIdentifier: payload.modelIdentifier ?? existing.modelIdentifier,
     mode: payload.mode ?? parsed.mode ?? existing.mode,
     lastInputSeconds:
       payload.lastInputSeconds ??